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/*
 * Copyright (c) 2015 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef __included_vnet_l2_input_classify_h__
#define __included_vnet_l2_input_classify_h__

#include <vlib/vlib.h>
#include <vnet/vnet.h>
#include <vnet/pg/pg.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ethernet/packet.h>
#include <vnet/ip/ip_packet.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
#include <vlib/cli.h>
#include <vnet/l2/l2_input.h>
#include <vnet/l2/l2_output.h>
#include <vnet/l2/feat_bitmap.h>
#include <vppinfra/error.h>
#include <vppinfra/hash.h>
#include <vppinfra/cache.h>

#include <vnet/classify/vnet_classify.h>

typedef enum
{
  L2_INPUT_CLASSIFY_NEXT_DROP,
  L2_INPUT_CLASSIFY_NEXT_ETHERNET_INPUT,
  L2_INPUT_CLASSIFY_NEXT_IP4_INPUT,
  L2_INPUT_CLASSIFY_NEXT_IP6_INPUT,
  L2_INPUT_CLASSIFY_NEXT_LI,
  L2_INPUT_CLASSIFY_N_NEXT,
} l2_input_classify_next_t;

typedef enum
{
  L2_INPUT_CLASSIFY_TABLE_IP4,
  L2_INPUT_CLASSIFY_TABLE_IP6,
  L2_INPUT_CLASSIFY_TABLE_OTHER,
  L2_INPUT_CLASSIFY_N_TABLES,
} l2_input_classify_table_id_t;

typedef enum
{
  L2_OUTPUT_CLASSIFY_NEXT_DROP,
  L2_OUTPUT_CLASSIFY_N_NEXT,
} l2_output_classify_next_t;

typedef enum
{
  L2_OUTPUT_CLASSIFY_TABLE_IP4,
  L2_OUTPUT_CLASSIFY_TABLE_IP6,
  L2_OUTPUT_CLASSIFY_TABLE_OTHER,
  L2_OUTPUT_CLASSIFY_N_TABLES,
} l2_output_classify_table_id_t;

typedef struct _l2_classify_main
{
  /* Next nodes for L2 input and output features */
  u32 l2_inp_feat_next[32];
  u32 l2_out_feat_next[32];

  /* Per-address-family classifier table vectors */
  u32 *classify_table_index_by_sw_if_index[L2_INPUT_CLASSIFY_N_TABLES];

  /* convenience variables */
  vlib_main_t *vlib_main;
  vnet_main_t *vnet_main;
  vnet_classify_main_t *vnet_classify_main;
} l2_input_classify_main_t;

typedef struct _l2_classify_main l2_output_classify_main_t;

extern l2_input_classify_main_t l2_input_classify_main;
extern vlib_node_registration_t l2_input_classify_node;

extern l2_output_classify_main_t l2_output_classify_main;
extern vlib_node_registration_t l2_output_classify_node;

void vnet_l2_input_classify_enable_disable (u32 sw_if_index,
					    int enable_disable);

int vnet_l2_input_classify_set_tables (u32 sw_if_index, u32 ip4_table_index,
				       u32 ip6_table_index,
				       u32 other_table_index);

void vnet_l2_output_classify_enable_disable (u32 sw_if_index,
					     int enable_disable);

int vnet_l2_output_classify_set_tables (u32 sw_if_index, u32 ip4_table_index,
					u32 ip6_table_index,
					u32 other_table_index);

#endif /* __included_vnet_l2_input_classify_h__ */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
="nf">vlib_trace_header_next (vlib_trace_header_t * h) { return h + 1 + h->n_data; } always_inline void vlib_free_trace (vlib_main_t * vm, vlib_buffer_t * b) { vlib_trace_main_t *tm = &vm->trace_main; vlib_validate_trace (tm, b); _vec_len (tm->trace_buffer_pool[b->trace_index]) = 0; pool_put_index (tm->trace_buffer_pool, b->trace_index); } always_inline void vlib_trace_next_frame (vlib_main_t * vm, vlib_node_runtime_t * r, u32 next_index) { vlib_next_frame_t *nf; nf = vlib_node_runtime_get_next_frame (vm, r, next_index); nf->flags |= VLIB_FRAME_TRACE; } void trace_apply_filter (vlib_main_t * vm); /* Mark buffer as traced and allocate trace buffer. */ always_inline void vlib_trace_buffer (vlib_main_t * vm, vlib_node_runtime_t * r, u32 next_index, vlib_buffer_t * b, int follow_chain) { vlib_trace_main_t *tm = &vm->trace_main; vlib_trace_header_t **h; /* * Apply filter to existing traces to keep number of allocated traces low. * Performed each time around the main loop. */ if (tm->last_main_loop_count != vm->main_loop_count) { tm->last_main_loop_count = vm->main_loop_count; trace_apply_filter (vm); } vlib_trace_next_frame (vm, r, next_index); pool_get (tm->trace_buffer_pool, h); do { b->flags |= VLIB_BUFFER_IS_TRACED; b->trace_index = h - tm->trace_buffer_pool; } while (follow_chain && (b = vlib_get_next_buffer (vm, b))); } always_inline void vlib_buffer_copy_trace_flag (vlib_main_t * vm, vlib_buffer_t * b, u32 bi_target) { vlib_buffer_t *b_target = vlib_get_buffer (vm, bi_target); b_target->flags |= b->flags & VLIB_BUFFER_IS_TRACED; b_target->trace_index = b->trace_index; } always_inline u32 vlib_get_trace_count (vlib_main_t * vm, vlib_node_runtime_t * rt) { vlib_trace_main_t *tm = &vm->trace_main; vlib_trace_node_t *tn; int n; if (rt->node_index >= vec_len (tm->nodes)) return 0; tn = tm->nodes + rt->node_index; n = tn->limit - tn->count; ASSERT (n >= 0); return n; } always_inline void vlib_set_trace_count (vlib_main_t * vm, vlib_node_runtime_t * rt, u32 count) { vlib_trace_main_t *tm = &vm->trace_main; vlib_trace_node_t *tn = vec_elt_at_index (tm->nodes, rt->node_index); ASSERT (count <= tn->limit); tn->count = tn->limit - count; } /* Helper function for nodes which only trace buffer data. */ void vlib_trace_frame_buffers_only (vlib_main_t * vm, vlib_node_runtime_t * node, u32 * buffers, uword n_buffers, uword next_buffer_stride, uword n_buffer_data_bytes_in_trace); #endif /* included_vlib_trace_funcs_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */